/Engine/Source/Runtime/MovieScene/Public/Evaluation/PreAnimatedState/MovieScenePreAnimatedCaptureSources.h
Stop tracking the evaluation key in question, restoring the value if it was captured with bWantsRestoreState
void StopTrackingCaptureSource ( [UMovieSceneTrackInstance](API\Runtime\MovieScene\EntitySystem\TrackInstance\UMovieSceneTrackInstance) * TrackInstance )